Unknown/VIDAx

QED signs a canonical JSON payload. Fetch the public key from /.well-known/qed.json, then check the signature against this payload.

Canonical JSON

{"block":null,"chain":"Solana","checked_at":"2026-10-01T14:48:02Z","dev":false,"expires_at":"2026-10-02T14:48:02Z","issuer":"Backed xStocks","pool":{"base":{"address":"So11111111111111111111111111111111111111112","balance":"46794263582","decimals":9,"symbol":null},"chain":"Solana","dex":"raydium-clmm","pool":"zC2YUhJxwrqdUmGkvArBJ9dKLsxTMWM5EaGK2wnbh2P","quote":{"address":"XsfCC9VL4DamVGNgdJpfLXB3sBVa158Gbx8sh7NzmTk","balance":"3781092549763","decimals":8,"symbol":"VIDAx"}},"quote_share_of_supply":0.00872913598820602,"reads":[{"block":null,"method":"getSlot","params":[{"commitment":"confirmed"}],"result_hash":"b4497c1037514582db354407be75c554284c2ccb12f72e1755e30ed93a8f9f0c","slot":452318884},{"block":null,"method":"getAccountInfo","params":["zC2YUhJxwrqdUmGkvArBJ9dKLsxTMWM5EaGK2wnbh2P",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452318885},"value":{"data":["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","base64"],"executable":false,"lamports":11637120,"owner":"CAMMCzo5YL8w4VFF8KVHrK22GGUsp5VTaW7grrKgrWqK","rentEpoch":18446744073709551615,"space":1544}},"result_hash":"bd5e4eeac913d3a666f6a3080e19e3d2dd4554678a4f83ad06ba6a1d1e1a2da0","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["C3GX2vkB7qLLTe5uhXuk3uduJmKy17kKCgXN3ZDmGMz1",{"commitment":"confirmed"}],"result_hash":"930c2baaf086cb8264a91ee271da6c495bbb5de9ff07856e332a98482169810d","slot":null},{"block":null,"method":"getTokenAccountBalance","params":["9ZccLPJPdMYQGQotPnx6G3dFZJqtfSkV7qV6CcVUzewX",{"commitment":"confirmed"}],"result_hash":"1274b38fa629ec241106df3178c916b07c3ee27b036c60ac8c287ad13dfd08a1","slot":null},{"block":null,"method":"getMultipleAccounts","params":[["So11111111111111111111111111111111111111112","XsfCC9VL4DamVGNgdJpfLXB3sBVa158Gbx8sh7NzmTk"],{"commitment":"confirmed","encoding":"base64"}],"result_hash":"f71b1e71784b35e0a75fbccbf8f81aef87dd7ff2a7150fea40e219a1d1de186d","slot":null},{"block":null,"method":"getTokenSupply","params":["So11111111111111111111111111111111111111112",{"commitment":"confirmed"}],"result_hash":"f68435f9609c46b79e2ea6b04c89b38adb429c47350dcab8b163b15b41ee9424","slot":null},{"block":null,"method":"getAccountInfo","params":["So11111111111111111111111111111111111111112",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452318907},"value":{"data":["AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==","base64"],"executable":false,"lamports":1848941193404,"owner":"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA","rentEpoch":18446744073709551615,"space":82}},"result_hash":"9e08fb0aa9f755f08b722f38504981ca413e2673b8757399a2d47916d600adcd","slot":null},{"block":null,"method":"getTokenSupply","params":["XsfCC9VL4DamVGNgdJpfLXB3sBVa158Gbx8sh7NzmTk",{"commitment":"confirmed"}],"result_hash":"03d573514cf0c07f181683ea72b12b4a4652fed42aa13edf99c74496f4854f72","slot":null},{"block":null,"method":"getAccountInfo","params":["XsfCC9VL4DamVGNgdJpfLXB3sBVa158Gbx8sh7NzmTk",{"commitment":"confirmed","encoding":"base64"}],"raw_result":{"context":{"apiVersion":"4.3.0","slot":452318922},"value":{"data":["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","base64"],"executable":false,"lamports":160651520,"owner":"TokenzQdBNbLqP5VEhdkAS6EPFLC1PHnBqCXEpPxuEb","rentEpoch":18446744073709551615,"space":684}},"result_hash":"e88fd5a042b4b1d50966750190377f0e76d44057aecff6a104866e3812712eae","slot":null}],"registry_entry":{"chain":"Solana","contract":"XsfCC9VL4DamVGNgdJpfLXB3sBVa158Gbx8sh7NzmTk","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-10-01T13:57:54Z","name":"Vida Global","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"VIDA"},"registry_hash":"4e23558a02107033bcacd5d894f86d4b66a2a5e9c0b9571ca01c7da51d920b8c","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":452318884,"subject":"zC2YUhJxwrqdUmGkvArBJ9dKLsxTMWM5EaGK2wnbh2P","ticker":"VIDA","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"VIDA"}},"version":1}

Signature

4N6ypZ/qpU/RKCfyZgyqE7MvO4SIUkw4uJeKXZQmVZgbemJ1rqCIZbTK3sWRh+qqankHVWECJWbrLxvskAVDAg==

API call

GET /api/attest/38b80f3a950e9924161b4beb6b65840d2a05ae19e83e9b0bfaeef6de00cff476

1. Fetch the public key and attestation JSON, then verify the signature with the published key.
2. Canonicalize the payload with sorted object keys and no whitespace, then verify its SHA-256 attestation id.
3. Run the API call above and compare the returned payload, serial, signer, and signature with this certificate.